Step-by-step explanation:
an open (empty) point means the point itself is not included.
a closed (filled) point means the point itself is included.
the x values going from -3 (not included) to -1 (included) means
-3 < x <= -1
so, the second answer is correct.
Answer: She had 20 gallons to begin with.
Step-by-step explanation:
16 = 6 + 1/2x
x = the amount she had to start with
Subtract 6 from each side
10 = 1/2x
Divide each side by 1/2
20 = x
The greatest common factor of 20 and 14 is 2.
The greatest common factor of x^3 and x is x.
The answer is C. 2x
It really means that people gave her more then here and for some reason they did not give the other girl anymore
Answer:
10
Step-by-step explanation:
first u take 2 1/2 and change it into a improper fraction.
so 2 X 2 = 4 then + 1
=5
5/2 divide by 1/4
which is 10